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What special names are given to the group you group vii and group viii elements?
group 7 - halogens group 8 - noble gases
What four elements have chemical properties most similar to those of fluorine in column VII A?
Column VII A is an obsolete name; the official name of IUPAC is Group 17 (halogens group).
What are the combining ratios of elements in group II with elements in Group VII of the periodic table?
The combining ratio for Group II elements with Group VII elements is 1:2. For example, calcium (Group II) will combine with chlorine (Group VII) to form calcium chloride with a ratio of 1 calcium atom to 2 chlorine atoms.
What is the collective name given to the elements in group vii?
The elements in group VII of the periodic table are known as the halogens. This group includes fluorine, chlorine, bromine, iodine, and astatine. Halogens are highly reactive nonmetals that readily form salts with metals.
What is common in group VII?
Group VIIA elements are known as halogens and all have 7 valence electrons.
How many children did Cleopatra v11 have?
Cleopatra VII had four children.Cleopatra VII had four children.Cleopatra VII had four children.Cleopatra VII had four children.Cleopatra VII had four children.Cleopatra VII had four children.Cleopatra VII had four children.Cleopatra VII had four children.Cleopatra VII had four children.
What is another name for Halogen?
Salt formers / group 17 elements. The elements of Group VII (or group 17) of the Periodic Table are called halogens, which means "salt formers"
What four elements have chemical properties similar to fluorine in column VII A?
The other four halogens in column VII A of a narrow form or column 17 of a wide form periodic table: chlorine, bromine, iodine, and astatine.
What is the number of valence electrons for group 2 elements?
Group 2 metals have 2 valence electrons. In fact, the number of valence electrons of elements can be deduced from the group number (e.g. group VII elements have 7 valence electrons).
Which group I and group VII elements react together most vigorously?
Group I (alkali metals) and group VII (halogens) elements react together most vigorously. This is because alkali metals readily donate electrons to halogens, forming ionic compounds with high lattice energies. The reaction between sodium (group I) and chlorine (group VII) to form sodium chloride is a well-known example of this type of reaction.
What does a Roman numeral indicate at the top of a periodic table column?
A Roman numeral at the top of a periodic table column indicates the group number, which signifies the number of valence electrons in the atoms of elements within that column. For example, Group I elements have one valence electron, while Group VII elements have seven. This classification helps predict the chemical behavior and reactivity of the elements in that group.
Which non-metals are chemically most reactive?
halogens
